topic functions in QlikView https://community.qlik.com/t5/QlikView/functions/m-p/914760#M989274 <HTML><HEAD></HEAD><BODY><P>Hi experts,</P><P></P><P>"composite key and autonumber # "both are used to remove the synthetic key. it will act as a unique performance. which one is better performance? </P></BODY></HTML> Sat, 25 Jul 2015 14:31:50 GMT maniram23 2015-07-25T14:31:50Z functions https://community.qlik.com/t5/QlikView/functions/m-p/914760#M989274 <HTML><HEAD></HEAD><BODY><P>Hi experts,</P><P></P><P>"composite key and autonumber # "both are used to remove the synthetic key. it will act as a unique performance. which one is better performance? </P></BODY></HTML> Sat, 25 Jul 2015 14:31:50 GMT https://community.qlik.com/t5/QlikView/functions/m-p/914760#M989274 maniram23 2015-07-25T14:31:50Z Re: functions https://community.qlik.com/t5/QlikView/functions/m-p/914761#M989275 <HTML><HEAD></HEAD><BODY><P>I would suggest using AutoNumber() because those are number keys and take less space within your application. Have a look at this blog by Henric: <A href="https://community.qlik.com/qlik-blogpost/2848">Symbol Tables and Bit-Stuffed Pointers</A></P><P></P><P>HTH</P><P></P><P>Best,</P><P>Sunny</P></BODY></HTML> Sat, 25 Jul 2015 15:19:40 GMT https://community.qlik.com/t5/QlikView/functions/m-p/914761#M989275 sunny_talwar 2015-07-25T15:19:40Z